Home / 1,168,109.55-1,612,335.92-684,779.31

Finding the Fourth Proportional to 1,168,109.55, 1,612,335.92 and 684,779.31

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Solution

The fourth proportional to 1,168,109.55, 1,612,335.92 and 684,779.31 is: 945,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,109.55 : 1,612,335.92 = 684,779.31 : x
  2. Step 2: Convert to fraction form
    1,168,109.55/1,612,335.92 = 684,779.31/x
  3. Step 3: Cross multiply
    1,168,109.55x = 1,612,335.92 × 684,779.31
  4. Step 4: Simplify right side
    1,168,109.55x = 1,104,094,275,361.92
  5. Step 5: Solve for x
    x = 1,104,094,275,361.92/1,168,109.55
  6. Step 6: Final answer
    x = 945,197.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.